[Event "Prague"] [Site "?"] [Round "0"] [White "Maroczy"] [Black "Rubinstein"] [FEN "rn1q1rk1/pp3ppp/2pb1nb1/3p2B1/3P2P1/2NB1N1P/PPP2P2/R2Q1RK1 w - - 0 1"] {Open e-file with outpost Between this and the previos diagram there is a fundamental difference. Which can occupy an outpost in the open file} 1. Ne5 $1 Be7 (1... Nbd7 {leads to a serious weakening of the Black's Kingside} 2. Nxd7 Qxd7 3. Bxf6 gxf6) 2. f4 Bxd3 3. Qxd3 Nbd7 4. Rae1 Re8 5. Re2 { with good play for White, the doubling Rooks can't be emulated by Black} *